(function(r) {
			if (typeof exports === "object" && typeof module !== "undefined") {
				module.exports = r()
			} else {
				if (typeof define ===
					"function" && define.amd) {
					define([], r)
				} else {
					var e;
					if (typeof window !== "undefined") {
						e = window
					} else {
						if (typeof global !==
							"undefined") {
							e = global
						} else {
							if (typeof self !== "undefined") {
								e = self
							} else {
								e = this
							}
						}
					}
					e.base64js = r()
				}
			}
		})(function() {
			var r, e, t;
			return function r(e, t, n) {
				function o(i, a) {
					if (!t[i]) {
						if (!e[i]) {
							var u = typeof require == "function" && require;
							if (!a && u) {
								return u(i, !0)
							}
							if (f) {
								return f(i, !0)
							}
							var d = new Error("Cannot find module '" + i + "'");
							throw d.code = "MODULE_NOT_FOUND", d
						}
						var c = t[i] = {
							exports: {}
						};
						e[i][0].call(c.exports, function(r) {
							var t = e[i][1][r];
							return o(t ? t : r)
						}, c, c.exports, r, e, t, n)
					}
					return t[i].exports
				}
				var f = typeof require == "function" && require;
				for (var i = 0; i < n.length; i++) {
					o(n[i])
				}
				return o
			}({
				"/": [function(r, e, t) {
					t.byteLength = c;
					t.toByteArray = v;
					t.fromByteArray = s;
					var n = [];
					var o = [];
					var f = typeof Uint8Array !== "undefined" ? Uint8Array : Array;
					var i = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
					for (var a = 0, u = i.length; a < u; ++a) {
						n[a] = i[a];
						o[i.charCodeAt(a)] = a
					}
					o["-".charCodeAt(0)] = 62;
					o["_".charCodeAt(0)] = 63;

					function d(r) {
						var e = r.length;
						if (e % 4 > 0) {
							throw new Error("Invalid string. Length must be a multiple of 4")
						}
						return r[e - 2] === "=" ? 2 : r[e - 1] === "=" ? 1 : 0
					}

					function c(r) {
						return r.length * 3 / 4 - d(r)
					}

					function v(r) {
						var e, t, n, i, a;
						var u = r.length;
						i = d(r);
						a = new f(u * 3 / 4 - i);
						t = i > 0 ? u - 4 : u;
						var c = 0;
						for (e = 0; e < t; e += 4) {
							n = o[r.charCodeAt(e)] << 18 | o[r.charCodeAt(e + 1)] << 12 | o[r.charCodeAt(e + 2)] << 6 | o[r.charCodeAt(
								e + 3)];
							a[c++] = n >> 16 & 255;
							a[c++] = n >> 8 & 255;
							a[c++] = n & 255
						}
						if (i === 2) {
							n = o[r.charCodeAt(e)] << 2 | o[r.charCodeAt(e + 1)] >> 4;
							a[c++] = n & 255
						} else {
							if (i === 1) {
								n = o[r.charCodeAt(e)] << 10 | o[r.charCodeAt(e + 1)] << 4 | o[r.charCodeAt(e + 2)] >> 2;
								a[c++] = n >> 8 & 255;
								a[c++] = n & 255
							}
						}
						return a
					}

					function l(r) {
						return n[r >> 18 & 63] + n[r >> 12 & 63] + n[r >> 6 & 63] + n[r & 63]
					}

					function h(r, e, t) {
						var n;
						var o = [];
						for (var f = e; f < t; f += 3) {
							n = (r[f] << 16) + (r[f + 1] << 8) + r[f + 2];
							o.push(l(n))
						}
						return o.join("")
					}

					function s(r) {
						var e;
						var t = r.length;
						var o = t % 3;
						var f = "";
						var i = [];
						var a = 16383;
						for (var u = 0, d = t - o; u < d; u += a) {
							i.push(h(r, u, u + a > d ? d : u + a))
						}
						if (o === 1) {
							e = r[t - 1];
							f += n[e >> 2];
							f += n[e << 4 & 63];
							f += "=="
						} else {
							if (o === 2) {
								e = (r[t - 2] << 8) + r[t - 1];
								f += n[e >> 10];
								f += n[e >> 4 & 63];
								f += n[e << 2 & 63];
								f += "="
							}
						}
						i.push(f);
						return i.join("")
					}
				}, {}]
			}, {}, [])("/")
		});


		/**
		 * 国密SM4加密算法
		 */
		function SM4_Context() {
			this.mode = 1;
			this.isPadding = true;
			this.sk = new Array(32);
		}

		function SM4() {
			this.SM4_ENCRYPT = 1;
			this.SM4_DECRYPT = 0;

			var SboxTable = [0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, 0x05,
				0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99,
				0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62,
				0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6,
				0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8,
				0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35,
				0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87,
				0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52, 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e,
				0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1,
				0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3,
				0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60, 0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f,
				0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51,
				0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8,
				0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0,
				0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84,
				0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48
			];

			var FK = [0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc];

			var CK = [0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269,
				0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9,
				0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
				0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9,
				0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229,
				0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
				0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209,
				0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279
			];

			this.GET_ULONG_BE = function(b, i) {
				return (b[i] & 0xff) << 24 | ((b[i + 1] & 0xff) << 16) | ((b[i + 2] & 0xff) << 8) | (b[i + 3] & 0xff) & 0xffffffff;
			}

			this.PUT_ULONG_BE = function(n, b, i) {
				var t1 = (0xFF & (n >> 24));
				var t2 = (0xFF & (n >> 16));
				var t3 = (0xFF & (n >> 8));
				var t4 = (0xFF & (n));
				b[i] = t1 > 128 ? t1 - 256 : t1;
				b[i + 1] = t2 > 128 ? t2 - 256 : t2;
				b[i + 2] = t3 > 128 ? t3 - 256 : t3;
				b[i + 3] = t4 > 128 ? t4 - 256 : t4;
			}

			this.SHL = function(x, n) {
				return (x & 0xFFFFFFFF) << n;
			}

			this.ROTL = function(x, n) {
				var s = this.SHL(x, n);
				var ss = x >> (32 - n);
				return this.SHL(x, n) | x >> (32 - n);
			}

			this.sm4Lt = function(ka) {
				var bb = 0;
				var c = 0;
				var a = new Array(4);
				var b = new Array(4);
				this.PUT_ULONG_BE(ka, a, 0);
				b[0] = this.sm4Sbox(a[0]);
				b[1] = this.sm4Sbox(a[1]);
				b[2] = this.sm4Sbox(a[2]);
				b[3] = this.sm4Sbox(a[3]);
				bb = this.GET_ULONG_BE(b, 0);
				c = bb ^ this.ROTL(bb, 2) ^ this.ROTL(bb, 10) ^ this.ROTL(bb, 18) ^ this.ROTL(bb, 24);
				return c;
			}

			this.sm4F = function(x0, x1, x2, x3, rk) {
				return x0 ^ this.sm4Lt(x1 ^ x2 ^ x3 ^ rk);
			}

			this.sm4CalciRK = function(ka) {
				var bb = 0;
				var rk = 0;
				var a = new Array(4);
				var b = new Array(4);
				this.PUT_ULONG_BE(ka, a, 0);
				b[0] = this.sm4Sbox(a[0]);
				b[1] = this.sm4Sbox(a[1]);
				b[2] = this.sm4Sbox(a[2]);
				b[3] = this.sm4Sbox(a[3]);
				bb = this.GET_ULONG_BE(b, 0);
				rk = bb ^ this.ROTL(bb, 13) ^ this.ROTL(bb, 23);
				return rk;
			}

			this.sm4Sbox = function(inch) {
				var i = inch & 0xFF;
				var retVal = SboxTable[i];
				return retVal > 128 ? retVal - 256 : retVal;
			}

			this.sm4_setkey_enc = function(ctx, key) {
				if (ctx == null) {
					alert("ctx is null!");
					return false;
				}
				if (key == null || key.length != 16) {
					alert("key error!");
					return false;
				}
				ctx.mode = this.SM4_ENCRYPT;
				this.sm4_setkey(ctx.sk, key);
			};
			//生成解密密钥
			this.sm4_setkey_dec = function(ctx, key) {
				if (ctx == null) {
					Error("ctx is null!");
				}

				if (key == null || key.length != 16) {
					Error("key error!");
				}

				var i = 0;
				ctx.mode = 0;
				this.sm4_setkey(ctx.sk, key);
				ctx.sk = ctx.sk.reverse();
			}


			this.sm4_setkey = function(SK, key) {
				var MK = new Array(4);
				var k = new Array(36);
				var i = 0;
				MK[0] = this.GET_ULONG_BE(key, 0);
				MK[1] = this.GET_ULONG_BE(key, 4);
				MK[2] = this.GET_ULONG_BE(key, 8);
				MK[3] = this.GET_ULONG_BE(key, 12);
				k[0] = MK[0] ^ FK[0];
				k[1] = MK[1] ^ FK[1];
				k[2] = MK[2] ^ FK[2];
				k[3] = MK[3] ^ FK[3];
				for (var i = 0; i < 32; i++) {
					k[(i + 4)] = (k[i] ^ this.sm4CalciRK(k[(i + 1)] ^ k[(i + 2)] ^ k[(i + 3)] ^ CK[i]));
					SK[i] = k[(i + 4)];
				}

			}
			this.padding = function(input, mode) {
				if (input == null) {
					return null;
				}
				var ret = null;
				if (mode == this.SM4_ENCRYPT) {
					var p = parseInt(16 - input.length % 16);
					ret = input.slice(0);
					for (var i = 0; i < p; i++) {
						ret[input.length + i] = p;
					}
				} else {
					var p = input[input.length - 1];
					ret = input.slice(0, input.length - p);
				}
				return ret;
			}
			this.sm4_one_round = function(sk, input, output) {
				var i = 0;
				var ulbuf = new Array(36);
				ulbuf[0] = this.GET_ULONG_BE(input, 0);
				ulbuf[1] = this.GET_ULONG_BE(input, 4);
				ulbuf[2] = this.GET_ULONG_BE(input, 8);
				ulbuf[3] = this.GET_ULONG_BE(input, 12);
				while (i < 32) {
					ulbuf[(i + 4)] = this.sm4F(ulbuf[i], ulbuf[(i + 1)], ulbuf[(i + 2)], ulbuf[(i + 3)], sk[i]);
					i++;
				}
				this.PUT_ULONG_BE(ulbuf[35], output, 0);
				this.PUT_ULONG_BE(ulbuf[34], output, 4);
				this.PUT_ULONG_BE(ulbuf[33], output, 8);
				this.PUT_ULONG_BE(ulbuf[32], output, 12);

			}

			this.sm4_crypt_ecb = function(ctx, input) {
				if (input == null) {
					alert("input is null!");
				}
				if ((ctx.isPadding) && (ctx.mode == this.SM4_ENCRYPT)) {
					input = this.padding(input, this.SM4_ENCRYPT);
				}

				var i = 0;
				var length = input.length;
				var bous = new Array();
				for (; length > 0; length -= 16) {
					var out = new Array(16);
					var ins = input.slice(i * 16, (16 * (i + 1)));
					this.sm4_one_round(ctx.sk, ins, out)
					bous = bous.concat(out);
					i++;
				}

				var output = bous;
				if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT) {
					output = this.padding(output, this.SM4_DECRYPT);
				}
				for (var i = 0; i < output.length; i++) {
					if (output[i] < 0) {
						output[i] = output[i] + 256;
					}
				}
				return output;
			}

			this.sm4_crypt_cbc = function(ctx, iv, input) {
				if (iv == null || iv.length != 16) {
					alert("iv error!");
				}

				if (input == null) {
					alert("input is null!");
				}

				if (ctx.isPadding && ctx.mode == this.SM4_ENCRYPT) {
					input = this.padding(input, this.SM4_ENCRYPT);
				}

				var i = 0;
				var length = input.length;
				var bous = new Array();
				if (ctx.mode == this.SM4_ENCRYPT) {
					var k = 0;
					for (; length > 0; length -= 16) {
						var out = new Array(16);
						var out1 = new Array(16);
						var ins = input.slice(k * 16, (16 * (k + 1)));

						for (i = 0; i < 16; i++) {
							out[i] = (ins[i] ^ iv[i]);
						}
						this.sm4_one_round(ctx.sk, out, out1);
						iv = out1.slice(0, 16);
						bous = bous.concat(out1);
						k++;
					}
				} else {
					var temp = [];
					var k = 0;
					for (; length > 0; length -= 16) {
						var out = new Array(16);
						var out1 = new Array(16);
						var ins = input.slice(k * 16, (16 * (k + 1)));
						temp = ins.slice(0, 16);
						this.sm4_one_round(ctx.sk, ins, out);
						for (i = 0; i < 16; i++) {
							out1[i] = (out[i] ^ iv[i]);
						}
						iv = temp.slice(0, 16);
						bous = bous.concat(out1);
						k++;
					}
				}

				var output = bous;
				if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT) {
					output = this.padding(output, this.SM4_DECRYPT);
				}

				for (var i = 0; i < output.length; i++) {
					if (output[i] < 0) {
						output[i] = output[i] + 256;
					}
				}
				return output;
			}
		}

		function SM4Util() {
			this.secretKey = "";
			this.iv = "";
			this.hexString = false;
			//加密_ECB
			this.encryptData_ECB = function(plainText) {
				try {
					var sm4 = new SM4();
					var ctx = new SM4_Context();
					ctx.isPadding = true;
					ctx.mode = sm4.SM4_ENCRYPT;
					var keyBytes = stringToByte(this.secretKey);
					sm4.sm4_setkey_enc(ctx, keyBytes);
					var encrypted = sm4.sm4_crypt_ecb(ctx, stringToByte(plainText));
					var cipherText = base64js.fromByteArray(encrypted);
					if (cipherText != null && cipherText.trim().length > 0) {
						cipherText.replace(/(\s*|\t|\r|\n)/g, "");
					}
					return cipherText;
				} catch (e) {
					console.error(e);
					return null;
				}

			}
			//解密_ECB
			this.decryptData_ECB = function(cipherText) {
				try {
					var sm4 = new SM4();
					var ctx = new SM4_Context();
					ctx.isPadding = true;
					ctx.mode = sm4.SM4_ENCRYPT;
					var keyBytes = stringToByte(this.secretKey);
					sm4.sm4_setkey_dec(ctx, keyBytes);
					var decrypted = sm4.sm4_crypt_ecb(ctx, base64js.toByteArray(cipherText));
					return byteToString(decrypted);
				} catch (e) {
					console.error(e);
					return null;
				}
			}

			this.encryptData_CBC = function(plainText) {
				try {
					var sm4 = new SM4();
					var ctx = new SM4_Context();
					ctx.isPadding = true;
					ctx.mode = sm4.SM4_ENCRYPT;

					var keyBytes = stringToByte(this.secretKey);
					var ivBytes = stringToByte(this.iv);

					sm4.sm4_setkey_enc(ctx, keyBytes);
					var encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, stringToByte(plainText));
					var cipherText = base64js.fromByteArray(encrypted);
					if (cipherText != null && cipherText.trim().length > 0) {
						cipherText.replace(/(\s*|\t|\r|\n)/g, "");
					}
					return cipherText;
				} catch (e) {
					console.error(e);
					return null;
				}
			}
			//解密_CBC
			this.decryptData_CBC = function(cipherText) {
				try {
					var sm4 = new SM4();
					var ctx = new SM4_Context();
					ctx.isPadding = true;
					ctx.mode = sm4.SM4_ENCRYPT;
					var keyBytes = stringToByte(this.secretKey);
					var ivBytes = stringToByte(this.iv);
					sm4.sm4_setkey_dec(ctx, keyBytes);
					var decrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, base64js.toByteArray(cipherText));
					return byteToString(decrypted);
				} catch (e) {
					console.error(e);
					return null;
				}
			}
			stringToByte = function(str) {
				var bytes = new Array();
				var len, c;
				len = str.length;
				for (var i = 0; i < len; i++) {
					c = str.charCodeAt(i);
					if (c >= 0x010000 && c <= 0x10FFFF) {
						bytes.push(((c >> 18) & 0x07) | 0xF0);
						bytes.push(((c >> 12) & 0x3F) | 0x80);
						bytes.push(((c >> 6) & 0x3F) | 0x80);
						bytes.push((c & 0x3F) | 0x80);
					} else if (c >= 0x000800 && c <= 0x00FFFF) {
						bytes.push(((c >> 12) & 0x0F) | 0xE0);
						bytes.push(((c >> 6) & 0x3F) | 0x80);
						bytes.push((c & 0x3F) | 0x80);
					} else if (c >= 0x000080 && c <= 0x0007FF) {
						bytes.push(((c >> 6) & 0x1F) | 0xC0);
						bytes.push((c & 0x3F) | 0x80);
					} else {
						bytes.push(c & 0xFF);
					}
				}
				return bytes;
			}

			byteToString = function(arr) {
				if (typeof arr === 'string') {
					return arr;
				}
				var str = '',
					_arr = arr;
				for (var i = 0; i < _arr.length; i++) {
					var one = _arr[i].toString(2),
						v = one.match(/^1+?(?=0)/);
					if (v && one.length == 8) {
						var bytesLength = v[0].length;
						var store = _arr[i].toString(2).slice(7 - bytesLength);
						for (var st = 1; st < bytesLength; st++) {
							store += _arr[st + i].toString(2).slice(2);
						}
						str += String.fromCharCode(parseInt(store, 2));
						i += bytesLength - 1;
					} else {
						str += String.fromCharCode(_arr[i]);
					}
				}
				return str;
			}
		};